Standard pressure switch 30 - 50psi (adjustable to 80 psi)
The Pulsafeeder 12-140-00 Standard Pressure Switch with 30 - 50 psi (adjustable to 80 psi) is a high-performance, reliable device designed...
Pulsafeeder 3/4" Flow Switch Assembly with 15 Foot Cable, Pipe Bracket and PVC Adaptor Fittings
Use this with a controller that accpts a digital flow switch input.